Position of Stylogaster eggs for all Tricyclea males (A) and females (B) collected. Red dots mark egg insertions and each specimen is denoted by an individual code, for example, there are two F1 as the specimen F1 had two eggs attached (see Suppl. material 1). Abdominal outlines modified from Rognes (1991) [figs. 10–11 of Pollenia rudis (Fabricius)].